/* Copyright 2018 Canaan Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * \file cipher_wrap.c
 *
 * \brief Generic cipher wrapper for mbed TLS
 *
 * \author Adriaan de Jong <dejong@fox-it.com>
 *
 *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
 *  SPDX-License-Identifier: Apache-2.0
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may
 *  not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *  This file is part of mbed TLS (https://tls.mbed.org)
 */

#include "config.h"

#if defined(MBEDTLS_CIPHER_C)

#include "cipher_internal.h"

#if defined(MBEDTLS_AES_C)

#include "aes2.h"

#endif

#if defined(MBEDTLS_ARC4_C)
#include "arc4.h"
#endif

#if defined(MBEDTLS_CAMELLIA_C)
#include "camellia.h"
#endif

#if defined(MBEDTLS_DES_C)
#include "des.h"
#endif

#if defined(MBEDTLS_BLOWFISH_C)
#include "blowfish.h"
#endif

#if defined(MBEDTLS_GCM_C)

#include "gcm.h"

#endif

#if defined(MBEDTLS_CCM_C)
#include "ccm.h"
#endif

#include <string.h>

#if defined(MBEDTLS_CIPHER_NULL_CIPHER)
//#include "utils.h"
#endif

#if defined(MBEDTLS_PLATFORM_C)
#include "platform.h"
#endif

static mbedtls_gcm_context gcm_ctx;
static mbedtls_aes_context aes_ctx;
#if defined(MBEDTLS_CCM_C)
static mbedtls_ccm_context ccm_ctx;
#endif

#if defined(MBEDTLS_GCM_C)

/* shared by all GCM ciphers */
static void* gcm_ctx_alloc(void)
{
    void* ctx = &gcm_ctx;

    if (ctx != NULL)
        mbedtls_gcm_init((mbedtls_gcm_context*)ctx);

    return ctx;
}

static void gcm_ctx_free(void* ctx)
{
    mbedtls_gcm_free(ctx);
    /*mbedtls_free(ctx);*/
}

#endif /* MBEDTLS_GCM_C */

#if defined(MBEDTLS_CCM_C)
/* shared by all CCM ciphers */
static void* ccm_ctx_alloc(void)
{
    void* ctx = &ccm_ctx;

    if (ctx != NULL)
        mbedtls_ccm_init((mbedtls_ccm_context*)ctx);

    return ctx;
}

static void ccm_ctx_free(void* ctx)
{
    mbedtls_ccm_free(ctx);
    /*mbedtls_free(ctx);*/
}
#endif /* MBEDTLS_CCM_C */

#if defined(MBEDTLS_AES_C)

static int aes_crypt_ecb_wrap(void* ctx, mbedtls_operation_t operation,
    const unsigned char* input, unsigned char* output)
{
    return mbedtls_aes_crypt_ecb((mbedtls_aes_context*)ctx, operation, input, output);
}

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static int aes_crypt_cbc_wrap(void* ctx, mbedtls_operation_t operation, size_t length,
    unsigned char* iv, const unsigned char* input, unsigned char* output)
{
    return mbedtls_aes_crypt_cbc((mbedtls_aes_context*)ctx, operation, length, iv, input,
        output);
}
#endif /* MBEDTLS_CIPHER_MODE_CBC */

#if defined(MBEDTLS_CIPHER_MODE_CFB)
static int aes_crypt_cfb128_wrap(void* ctx, mbedtls_operation_t operation,
    size_t length, size_t* iv_off, unsigned char* iv,
    const unsigned char* input, unsigned char* output)
{
    return mbedtls_aes_crypt_cfb128((mbedtls_aes_context*)ctx, operation, length, iv_off, iv,
        input, output);
}
#endif /* MBEDTLS_CIPHER_MODE_CFB */

#if defined(MBEDTLS_CIPHER_MODE_CTR)
static int aes_crypt_ctr_wrap(void* ctx, size_t length, size_t* nc_off,
    unsigned char* nonce_counter, unsigned char* stream_block,
    const unsigned char* input, unsigned char* output)
{
    return mbedtls_aes_crypt_ctr((mbedtls_aes_context*)ctx, length, nc_off, nonce_counter,
        stream_block, input, output);
}
#endif /* MBEDTLS_CIPHER_MODE_CTR */

static int aes_setkey_dec_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    return mbedtls_aes_setkey_dec((mbedtls_aes_context*)ctx, key, key_bitlen);
}

static int aes_setkey_enc_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    return mbedtls_aes_setkey_enc((mbedtls_aes_context*)ctx, key, key_bitlen);
}

static void* aes_ctx_alloc(void)
{
    mbedtls_aes_context* aes = &aes_ctx;

    if (aes == NULL)
        return (NULL);

    mbedtls_aes_init(aes);

    return aes;
}

static void aes_ctx_free(void* ctx)
{
    mbedtls_aes_free((mbedtls_aes_context*)ctx);
    /*mbedtls_free(ctx);*/
}

static const mbedtls_cipher_base_t aes_info = {
    MBEDTLS_CIPHER_ID_AES,
    aes_crypt_ecb_wrap,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    aes_crypt_cbc_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    aes_crypt_cfb128_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    aes_crypt_ctr_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    aes_setkey_enc_wrap,
    aes_setkey_dec_wrap,
    aes_ctx_alloc,
    aes_ctx_free};

static const mbedtls_cipher_info_t aes_128_ecb_info = {
    MBEDTLS_CIPHER_AES_128_ECB,
    MBEDTLS_MODE_ECB,
    128,
    "AES-128-ECB",
    12,
    0,
    16,
    &aes_info};

static const mbedtls_cipher_info_t aes_192_ecb_info = {
    MBEDTLS_CIPHER_AES_192_ECB,
    MBEDTLS_MODE_ECB,
    192,
    "AES-192-ECB",
    16,
    0,
    16,
    &aes_info};

static const mbedtls_cipher_info_t aes_256_ecb_info = {
    MBEDTLS_CIPHER_AES_256_ECB,
    MBEDTLS_MODE_ECB,
    256,
    "AES-256-ECB",
    16,
    0,
    16,
    &aes_info};

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static const mbedtls_cipher_info_t aes_128_cbc_info = {
    MBEDTLS_CIPHER_AES_128_CBC,
    MBEDTLS_MODE_CBC,
    128,
    "AES-128-CBC",
    16,
    0,
    16,
    &aes_info};

static const mbedtls_cipher_info_t aes_192_cbc_info = {
    MBEDTLS_CIPHER_AES_192_CBC,
    MBEDTLS_MODE_CBC,
    192,
    "AES-192-CBC",
    16,
    0,
    16,
    &aes_info};

static const mbedtls_cipher_info_t aes_256_cbc_info = {
    MBEDTLS_CIPHER_AES_256_CBC,
    MBEDTLS_MODE_CBC,
    256,
    "AES-256-CBC",
    16,
    0,
    16,
    &aes_info};
#endif /* MBEDTLS_CIPHER_MODE_CBC */

#if defined(MBEDTLS_CIPHER_MODE_CFB)
static const mbedtls_cipher_info_t aes_128_cfb128_info = {
    MBEDTLS_CIPHER_AES_128_CFB128,
    MBEDTLS_MODE_CFB,
    128,
    "AES-128-CFB128",
    16,
    0,
    16,
    &aes_info};

static const mbedtls_cipher_info_t aes_192_cfb128_info = {
    MBEDTLS_CIPHER_AES_192_CFB128,
    MBEDTLS_MODE_CFB,
    192,
    "AES-192-CFB128",
    16,
    0,
    16,
    &aes_info};

static const mbedtls_cipher_info_t aes_256_cfb128_info = {
    MBEDTLS_CIPHER_AES_256_CFB128,
    MBEDTLS_MODE_CFB,
    256,
    "AES-256-CFB128",
    16,
    0,
    16,
    &aes_info};
#endif /* MBEDTLS_CIPHER_MODE_CFB */

#if defined(MBEDTLS_CIPHER_MODE_CTR)
static const mbedtls_cipher_info_t aes_128_ctr_info = {
    MBEDTLS_CIPHER_AES_128_CTR,
    MBEDTLS_MODE_CTR,
    128,
    "AES-128-CTR",
    16,
    0,
    16,
    &aes_info};

static const mbedtls_cipher_info_t aes_192_ctr_info = {
    MBEDTLS_CIPHER_AES_192_CTR,
    MBEDTLS_MODE_CTR,
    192,
    "AES-192-CTR",
    16,
    0,
    16,
    &aes_info};

static const mbedtls_cipher_info_t aes_256_ctr_info = {
    MBEDTLS_CIPHER_AES_256_CTR,
    MBEDTLS_MODE_CTR,
    256,
    "AES-256-CTR",
    16,
    0,
    16,
    &aes_info};
#endif /* MBEDTLS_CIPHER_MODE_CTR */

#if defined(MBEDTLS_GCM_C)

static int gcm_aes_setkey_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    return mbedtls_gcm_setkey((mbedtls_gcm_context*)ctx, MBEDTLS_CIPHER_ID_AES,
        key, key_bitlen);
}

static const mbedtls_cipher_base_t gcm_aes_info = {
    MBEDTLS_CIPHER_ID_AES,
    NULL,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    gcm_aes_setkey_wrap,
    gcm_aes_setkey_wrap,
    gcm_ctx_alloc,
    gcm_ctx_free,
};

static const mbedtls_cipher_info_t aes_128_gcm_info = {
    MBEDTLS_CIPHER_AES_128_GCM,
    MBEDTLS_MODE_GCM,
    128,
    "AES-128-GCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &gcm_aes_info};

static const mbedtls_cipher_info_t aes_192_gcm_info = {
    MBEDTLS_CIPHER_AES_192_GCM,
    MBEDTLS_MODE_GCM,
    192,
    "AES-192-GCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &gcm_aes_info};

static const mbedtls_cipher_info_t aes_256_gcm_info = {
    MBEDTLS_CIPHER_AES_256_GCM,
    MBEDTLS_MODE_GCM,
    256,
    "AES-256-GCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &gcm_aes_info};
#endif /* MBEDTLS_GCM_C */

#if defined(MBEDTLS_CCM_C)
static int ccm_aes_setkey_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    return mbedtls_ccm_setkey((mbedtls_ccm_context*)ctx, MBEDTLS_CIPHER_ID_AES,
        key, key_bitlen);
}

static const mbedtls_cipher_base_t ccm_aes_info = {
    MBEDTLS_CIPHER_ID_AES,
    NULL,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    ccm_aes_setkey_wrap,
    ccm_aes_setkey_wrap,
    ccm_ctx_alloc,
    ccm_ctx_free,
};

static const mbedtls_cipher_info_t aes_128_ccm_info = {
    MBEDTLS_CIPHER_AES_128_CCM,
    MBEDTLS_MODE_CCM,
    128,
    "AES-128-CCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &ccm_aes_info};

static const mbedtls_cipher_info_t aes_192_ccm_info = {
    MBEDTLS_CIPHER_AES_192_CCM,
    MBEDTLS_MODE_CCM,
    192,
    "AES-192-CCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &ccm_aes_info};

static const mbedtls_cipher_info_t aes_256_ccm_info = {
    MBEDTLS_CIPHER_AES_256_CCM,
    MBEDTLS_MODE_CCM,
    256,
    "AES-256-CCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &ccm_aes_info};
#endif /* MBEDTLS_CCM_C */

#endif /* MBEDTLS_AES_C */

#if defined(MBEDTLS_CAMELLIA_C)

static int camellia_crypt_ecb_wrap(void* ctx, mbedtls_operation_t operation,
    const unsigned char* input, unsigned char* output)
{
    return mbedtls_camellia_crypt_ecb((mbedtls_camellia_context*)ctx, operation, input,
        output);
}

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static int camellia_crypt_cbc_wrap(void* ctx, mbedtls_operation_t operation,
    size_t length, unsigned char* iv,
    const unsigned char* input, unsigned char* output)
{
    return mbedtls_camellia_crypt_cbc((mbedtls_camellia_context*)ctx, operation, length, iv,
        input, output);
}
#endif /* MBEDTLS_CIPHER_MODE_CBC */

#if defined(MBEDTLS_CIPHER_MODE_CFB)
static int camellia_crypt_cfb128_wrap(void* ctx, mbedtls_operation_t operation,
    size_t length, size_t* iv_off, unsigned char* iv,
    const unsigned char* input, unsigned char* output)
{
    return mbedtls_camellia_crypt_cfb128((mbedtls_camellia_context*)ctx, operation, length,
        iv_off, iv, input, output);
}
#endif /* MBEDTLS_CIPHER_MODE_CFB */

#if defined(MBEDTLS_CIPHER_MODE_CTR)
static int camellia_crypt_ctr_wrap(void* ctx, size_t length, size_t* nc_off,
    unsigned char* nonce_counter, unsigned char* stream_block,
    const unsigned char* input, unsigned char* output)
{
    return mbedtls_camellia_crypt_ctr((mbedtls_camellia_context*)ctx, length, nc_off,
        nonce_counter, stream_block, input, output);
}
#endif /* MBEDTLS_CIPHER_MODE_CTR */

static int camellia_setkey_dec_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    return mbedtls_camellia_setkey_dec((mbedtls_camellia_context*)ctx, key, key_bitlen);
}

static int camellia_setkey_enc_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    return mbedtls_camellia_setkey_enc((mbedtls_camellia_context*)ctx, key, key_bitlen);
}

static void* camellia_ctx_alloc(void)
{
    mbedtls_camellia_context* ctx;

    ctx = mbedtls_calloc(1, sizeof(mbedtls_camellia_context));

    ctx = mbedtls_calloc(1, sizeof(mbedtls_camellia_context));

    if (ctx == NULL)
        return (NULL);

    mbedtls_camellia_init(ctx);

    return ctx;
}

static void camellia_ctx_free(void* ctx)
{
    mbedtls_camellia_free((mbedtls_camellia_context*)ctx);
    mbedtls_free(ctx);
}

static const mbedtls_cipher_base_t camellia_info = {
    MBEDTLS_CIPHER_ID_CAMELLIA,
    camellia_crypt_ecb_wrap,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    camellia_crypt_cbc_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    camellia_crypt_cfb128_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    camellia_crypt_ctr_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    camellia_setkey_enc_wrap,
    camellia_setkey_dec_wrap,
    camellia_ctx_alloc,
    camellia_ctx_free};

static const mbedtls_cipher_info_t camellia_128_ecb_info = {
    MBEDTLS_CIPHER_CAMELLIA_128_ECB,
    MBEDTLS_MODE_ECB,
    128,
    "CAMELLIA-128-ECB",
    16,
    0,
    16,
    &camellia_info};

static const mbedtls_cipher_info_t camellia_192_ecb_info = {
    MBEDTLS_CIPHER_CAMELLIA_192_ECB,
    MBEDTLS_MODE_ECB,
    192,
    "CAMELLIA-192-ECB",
    16,
    0,
    16,
    &camellia_info};

static const mbedtls_cipher_info_t camellia_256_ecb_info = {
    MBEDTLS_CIPHER_CAMELLIA_256_ECB,
    MBEDTLS_MODE_ECB,
    256,
    "CAMELLIA-256-ECB",
    16,
    0,
    16,
    &camellia_info};

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static const mbedtls_cipher_info_t camellia_128_cbc_info = {
    MBEDTLS_CIPHER_CAMELLIA_128_CBC,
    MBEDTLS_MODE_CBC,
    128,
    "CAMELLIA-128-CBC",
    16,
    0,
    16,
    &camellia_info};

static const mbedtls_cipher_info_t camellia_192_cbc_info = {
    MBEDTLS_CIPHER_CAMELLIA_192_CBC,
    MBEDTLS_MODE_CBC,
    192,
    "CAMELLIA-192-CBC",
    16,
    0,
    16,
    &camellia_info};

static const mbedtls_cipher_info_t camellia_256_cbc_info = {
    MBEDTLS_CIPHER_CAMELLIA_256_CBC,
    MBEDTLS_MODE_CBC,
    256,
    "CAMELLIA-256-CBC",
    16,
    0,
    16,
    &camellia_info};
#endif /* MBEDTLS_CIPHER_MODE_CBC */

#if defined(MBEDTLS_CIPHER_MODE_CFB)
static const mbedtls_cipher_info_t camellia_128_cfb128_info = {
    MBEDTLS_CIPHER_CAMELLIA_128_CFB128,
    MBEDTLS_MODE_CFB,
    128,
    "CAMELLIA-128-CFB128",
    16,
    0,
    16,
    &camellia_info};

static const mbedtls_cipher_info_t camellia_192_cfb128_info = {
    MBEDTLS_CIPHER_CAMELLIA_192_CFB128,
    MBEDTLS_MODE_CFB,
    192,
    "CAMELLIA-192-CFB128",
    16,
    0,
    16,
    &camellia_info};

static const mbedtls_cipher_info_t camellia_256_cfb128_info = {
    MBEDTLS_CIPHER_CAMELLIA_256_CFB128,
    MBEDTLS_MODE_CFB,
    256,
    "CAMELLIA-256-CFB128",
    16,
    0,
    16,
    &camellia_info};
#endif /* MBEDTLS_CIPHER_MODE_CFB */

#if defined(MBEDTLS_CIPHER_MODE_CTR)
static const mbedtls_cipher_info_t camellia_128_ctr_info = {
    MBEDTLS_CIPHER_CAMELLIA_128_CTR,
    MBEDTLS_MODE_CTR,
    128,
    "CAMELLIA-128-CTR",
    16,
    0,
    16,
    &camellia_info};

static const mbedtls_cipher_info_t camellia_192_ctr_info = {
    MBEDTLS_CIPHER_CAMELLIA_192_CTR,
    MBEDTLS_MODE_CTR,
    192,
    "CAMELLIA-192-CTR",
    16,
    0,
    16,
    &camellia_info};

static const mbedtls_cipher_info_t camellia_256_ctr_info = {
    MBEDTLS_CIPHER_CAMELLIA_256_CTR,
    MBEDTLS_MODE_CTR,
    256,
    "CAMELLIA-256-CTR",
    16,
    0,
    16,
    &camellia_info};
#endif /* MBEDTLS_CIPHER_MODE_CTR */

#if defined(MBEDTLS_GCM_C)
static int gcm_camellia_setkey_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    return mbedtls_gcm_setkey((mbedtls_gcm_context*)ctx, MBEDTLS_CIPHER_ID_CAMELLIA,
        key, key_bitlen);
}

static const mbedtls_cipher_base_t gcm_camellia_info = {
    MBEDTLS_CIPHER_ID_CAMELLIA,
    NULL,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    gcm_camellia_setkey_wrap,
    gcm_camellia_setkey_wrap,
    gcm_ctx_alloc,
    gcm_ctx_free,
};

static const mbedtls_cipher_info_t camellia_128_gcm_info = {
    MBEDTLS_CIPHER_CAMELLIA_128_GCM,
    MBEDTLS_MODE_GCM,
    128,
    "CAMELLIA-128-GCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &gcm_camellia_info};

static const mbedtls_cipher_info_t camellia_192_gcm_info = {
    MBEDTLS_CIPHER_CAMELLIA_192_GCM,
    MBEDTLS_MODE_GCM,
    192,
    "CAMELLIA-192-GCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &gcm_camellia_info};

static const mbedtls_cipher_info_t camellia_256_gcm_info = {
    MBEDTLS_CIPHER_CAMELLIA_256_GCM,
    MBEDTLS_MODE_GCM,
    256,
    "CAMELLIA-256-GCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &gcm_camellia_info};
#endif /* MBEDTLS_GCM_C */

#if defined(MBEDTLS_CCM_C)
static int ccm_camellia_setkey_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    return mbedtls_ccm_setkey((mbedtls_ccm_context*)ctx, MBEDTLS_CIPHER_ID_CAMELLIA,
        key, key_bitlen);
}

static const mbedtls_cipher_base_t ccm_camellia_info = {
    MBEDTLS_CIPHER_ID_CAMELLIA,
    NULL,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    ccm_camellia_setkey_wrap,
    ccm_camellia_setkey_wrap,
    ccm_ctx_alloc,
    ccm_ctx_free,
};

static const mbedtls_cipher_info_t camellia_128_ccm_info = {
    MBEDTLS_CIPHER_CAMELLIA_128_CCM,
    MBEDTLS_MODE_CCM,
    128,
    "CAMELLIA-128-CCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &ccm_camellia_info};

static const mbedtls_cipher_info_t camellia_192_ccm_info = {
    MBEDTLS_CIPHER_CAMELLIA_192_CCM,
    MBEDTLS_MODE_CCM,
    192,
    "CAMELLIA-192-CCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &ccm_camellia_info};

static const mbedtls_cipher_info_t camellia_256_ccm_info = {
    MBEDTLS_CIPHER_CAMELLIA_256_CCM,
    MBEDTLS_MODE_CCM,
    256,
    "CAMELLIA-256-CCM",
    12,
    MBEDTLS_CIPHER_VARIABLE_IV_LEN,
    16,
    &ccm_camellia_info};
#endif /* MBEDTLS_CCM_C */

#endif /* MBEDTLS_CAMELLIA_C */

#if defined(MBEDTLS_DES_C)

static int des_crypt_ecb_wrap(void* ctx, mbedtls_operation_t operation,
    const unsigned char* input, unsigned char* output)
{
    ((void)operation);
    return mbedtls_des_crypt_ecb((mbedtls_des_context*)ctx, input, output);
}

static int des3_crypt_ecb_wrap(void* ctx, mbedtls_operation_t operation,
    const unsigned char* input, unsigned char* output)
{
    ((void)operation);
    return mbedtls_des3_crypt_ecb((mbedtls_des3_context*)ctx, input, output);
}

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static int des_crypt_cbc_wrap(void* ctx, mbedtls_operation_t operation, size_t length,
    unsigned char* iv, const unsigned char* input, unsigned char* output)
{
    return mbedtls_des_crypt_cbc((mbedtls_des_context*)ctx, operation, length, iv, input,
        output);
}
#endif /* MBEDTLS_CIPHER_MODE_CBC */

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static int des3_crypt_cbc_wrap(void* ctx, mbedtls_operation_t operation, size_t length,
    unsigned char* iv, const unsigned char* input, unsigned char* output)
{
    return mbedtls_des3_crypt_cbc((mbedtls_des3_context*)ctx, operation, length, iv, input,
        output);
}
#endif /* MBEDTLS_CIPHER_MODE_CBC */

static int des_setkey_dec_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    ((void)key_bitlen);

    return mbedtls_des_setkey_dec((mbedtls_des_context*)ctx, key);
}

static int des_setkey_enc_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    ((void)key_bitlen);

    return mbedtls_des_setkey_enc((mbedtls_des_context*)ctx, key);
}

static int des3_set2key_dec_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    ((void)key_bitlen);

    return mbedtls_des3_set2key_dec((mbedtls_des3_context*)ctx, key);
}

static int des3_set2key_enc_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    ((void)key_bitlen);

    return mbedtls_des3_set2key_enc((mbedtls_des3_context*)ctx, key);
}

static int des3_set3key_dec_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    ((void)key_bitlen);

    return mbedtls_des3_set3key_dec((mbedtls_des3_context*)ctx, key);
}

static int des3_set3key_enc_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    ((void)key_bitlen);

    return mbedtls_des3_set3key_enc((mbedtls_des3_context*)ctx, key);
}

static void* des_ctx_alloc(void)
{
    mbedtls_des_context* des = mbedtls_calloc(1, sizeof(mbedtls_des_context));

    if (des == NULL)
        return (NULL);

    mbedtls_des_init(des);

    return des;
}

static void des_ctx_free(void* ctx)
{
    mbedtls_des_free((mbedtls_des_context*)ctx);
    mbedtls_free(ctx);
}

static void* des3_ctx_alloc(void)
{
    mbedtls_des3_context* des3;

    des3 = mbedtls_calloc(1, sizeof(mbedtls_des3_context));

    des3 = mbedtls_calloc(1, sizeof(mbedtls_des3_context));

    if (des3 == NULL)
        return (NULL);

    mbedtls_des3_init(des3);

    return des3;
}

static void des3_ctx_free(void* ctx)
{
    mbedtls_des3_free((mbedtls_des3_context*)ctx);
    mbedtls_free(ctx);
}

static const mbedtls_cipher_base_t des_info = {
    MBEDTLS_CIPHER_ID_DES,
    des_crypt_ecb_wrap,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    des_crypt_cbc_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    des_setkey_enc_wrap,
    des_setkey_dec_wrap,
    des_ctx_alloc,
    des_ctx_free};

static const mbedtls_cipher_info_t des_ecb_info = {
    MBEDTLS_CIPHER_DES_ECB,
    MBEDTLS_MODE_ECB,
    MBEDTLS_KEY_LENGTH_DES,
    "DES-ECB",
    8,
    0,
    8,
    &des_info};

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static const mbedtls_cipher_info_t des_cbc_info = {
    MBEDTLS_CIPHER_DES_CBC,
    MBEDTLS_MODE_CBC,
    MBEDTLS_KEY_LENGTH_DES,
    "DES-CBC",
    8,
    0,
    8,
    &des_info};
#endif /* MBEDTLS_CIPHER_MODE_CBC */

static const mbedtls_cipher_base_t des_ede_info = {
    MBEDTLS_CIPHER_ID_DES,
    des3_crypt_ecb_wrap,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    des3_crypt_cbc_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    des3_set2key_enc_wrap,
    des3_set2key_dec_wrap,
    des3_ctx_alloc,
    des3_ctx_free};

static const mbedtls_cipher_info_t des_ede_ecb_info = {
    MBEDTLS_CIPHER_DES_EDE_ECB,
    MBEDTLS_MODE_ECB,
    MBEDTLS_KEY_LENGTH_DES_EDE,
    "DES-EDE-ECB",
    8,
    0,
    8,
    &des_ede_info};

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static const mbedtls_cipher_info_t des_ede_cbc_info = {
    MBEDTLS_CIPHER_DES_EDE_CBC,
    MBEDTLS_MODE_CBC,
    MBEDTLS_KEY_LENGTH_DES_EDE,
    "DES-EDE-CBC",
    8,
    0,
    8,
    &des_ede_info};
#endif /* MBEDTLS_CIPHER_MODE_CBC */

static const mbedtls_cipher_base_t des_ede3_info = {
    MBEDTLS_CIPHER_ID_3DES,
    des3_crypt_ecb_wrap,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    des3_crypt_cbc_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    des3_set3key_enc_wrap,
    des3_set3key_dec_wrap,
    des3_ctx_alloc,
    des3_ctx_free};

static const mbedtls_cipher_info_t des_ede3_ecb_info = {
    MBEDTLS_CIPHER_DES_EDE3_ECB,
    MBEDTLS_MODE_ECB,
    MBEDTLS_KEY_LENGTH_DES_EDE3,
    "DES-EDE3-ECB",
    8,
    0,
    8,
    &des_ede3_info};
#if defined(MBEDTLS_CIPHER_MODE_CBC)
static const mbedtls_cipher_info_t des_ede3_cbc_info = {
    MBEDTLS_CIPHER_DES_EDE3_CBC,
    MBEDTLS_MODE_CBC,
    MBEDTLS_KEY_LENGTH_DES_EDE3,
    "DES-EDE3-CBC",
    8,
    0,
    8,
    &des_ede3_info};
#endif /* MBEDTLS_CIPHER_MODE_CBC */
#endif /* MBEDTLS_DES_C */

#if defined(MBEDTLS_BLOWFISH_C)

static int blowfish_crypt_ecb_wrap(void* ctx, mbedtls_operation_t operation,
    const unsigned char* input, unsigned char* output)
{
    return mbedtls_blowfish_crypt_ecb((mbedtls_blowfish_context*)ctx, operation, input,
        output);
}

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static int blowfish_crypt_cbc_wrap(void* ctx, mbedtls_operation_t operation,
    size_t length, unsigned char* iv, const unsigned char* input,
    unsigned char* output)
{
    return mbedtls_blowfish_crypt_cbc((mbedtls_blowfish_context*)ctx, operation, length, iv,
        input, output);
}
#endif /* MBEDTLS_CIPHER_MODE_CBC */

#if defined(MBEDTLS_CIPHER_MODE_CFB)
static int blowfish_crypt_cfb64_wrap(void* ctx, mbedtls_operation_t operation,
    size_t length, size_t* iv_off, unsigned char* iv,
    const unsigned char* input, unsigned char* output)
{
    return mbedtls_blowfish_crypt_cfb64((mbedtls_blowfish_context*)ctx, operation, length,
        iv_off, iv, input, output);
}
#endif /* MBEDTLS_CIPHER_MODE_CFB */

#if defined(MBEDTLS_CIPHER_MODE_CTR)
static int blowfish_crypt_ctr_wrap(void* ctx, size_t length, size_t* nc_off,
    unsigned char* nonce_counter, unsigned char* stream_block,
    const unsigned char* input, unsigned char* output)
{
    return mbedtls_blowfish_crypt_ctr((mbedtls_blowfish_context*)ctx, length, nc_off,
        nonce_counter, stream_block, input, output);
}
#endif /* MBEDTLS_CIPHER_MODE_CTR */

static int blowfish_setkey_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    return mbedtls_blowfish_setkey((mbedtls_blowfish_context*)ctx, key, key_bitlen);
}

static void* blowfish_ctx_alloc(void)
{
    mbedtls_blowfish_context* ctx;

    ctx = mbedtls_calloc(1, sizeof(mbedtls_blowfish_context));

    ctx = mbedtls_calloc(1, sizeof(mbedtls_blowfish_context));

    if (ctx == NULL)
        return (NULL);

    mbedtls_blowfish_init(ctx);

    return ctx;
}

static void blowfish_ctx_free(void* ctx)
{
    mbedtls_blowfish_free((mbedtls_blowfish_context*)ctx);
    mbedtls_free(ctx);
}

static const mbedtls_cipher_base_t blowfish_info = {
    MBEDTLS_CIPHER_ID_BLOWFISH,
    blowfish_crypt_ecb_wrap,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    blowfish_crypt_cbc_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    blowfish_crypt_cfb64_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    blowfish_crypt_ctr_wrap,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    NULL,
#endif
    blowfish_setkey_wrap,
    blowfish_setkey_wrap,
    blowfish_ctx_alloc,
    blowfish_ctx_free};

static const mbedtls_cipher_info_t blowfish_ecb_info = {
    MBEDTLS_CIPHER_BLOWFISH_ECB,
    MBEDTLS_MODE_ECB,
    128,
    "BLOWFISH-ECB",
    8,
    MBEDTLS_CIPHER_VARIABLE_KEY_LEN,
    8,
    &blowfish_info};

#if defined(MBEDTLS_CIPHER_MODE_CBC)
static const mbedtls_cipher_info_t blowfish_cbc_info = {
    MBEDTLS_CIPHER_BLOWFISH_CBC,
    MBEDTLS_MODE_CBC,
    128,
    "BLOWFISH-CBC",
    8,
    MBEDTLS_CIPHER_VARIABLE_KEY_LEN,
    8,
    &blowfish_info};
#endif /* MBEDTLS_CIPHER_MODE_CBC */

#if defined(MBEDTLS_CIPHER_MODE_CFB)
static const mbedtls_cipher_info_t blowfish_cfb64_info = {
    MBEDTLS_CIPHER_BLOWFISH_CFB64,
    MBEDTLS_MODE_CFB,
    128,
    "BLOWFISH-CFB64",
    8,
    MBEDTLS_CIPHER_VARIABLE_KEY_LEN,
    8,
    &blowfish_info};
#endif /* MBEDTLS_CIPHER_MODE_CFB */

#if defined(MBEDTLS_CIPHER_MODE_CTR)
static const mbedtls_cipher_info_t blowfish_ctr_info = {
    MBEDTLS_CIPHER_BLOWFISH_CTR,
    MBEDTLS_MODE_CTR,
    128,
    "BLOWFISH-CTR",
    8,
    MBEDTLS_CIPHER_VARIABLE_KEY_LEN,
    8,
    &blowfish_info};
#endif /* MBEDTLS_CIPHER_MODE_CTR */
#endif /* MBEDTLS_BLOWFISH_C */

#if defined(MBEDTLS_ARC4_C)
static int arc4_crypt_stream_wrap(void* ctx, size_t length,
    const unsigned char* input,
    unsigned char* output)
{
    return mbedtls_arc4_crypt((mbedtls_arc4_context*)ctx, length, input, output);
}

static int arc4_setkey_wrap(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    /* we get key_bitlen in bits, arc4 expects it in bytes */
    if (key_bitlen % 8 != 0)
        return (MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA);

    mbedtls_arc4_setup((mbedtls_arc4_context*)ctx, key, key_bitlen / 8);
    return 0;
}

static void* arc4_ctx_alloc(void)
{
    mbedtls_arc4_context* ctx;

    ctx = mbedtls_calloc(1, sizeof(mbedtls_arc4_context));

    ctx = mbedtls_calloc(1, sizeof(mbedtls_arc4_context));

    if (ctx == NULL)
        return (NULL);

    mbedtls_arc4_init(ctx);

    return ctx;
}

static void arc4_ctx_free(void* ctx)
{
    mbedtls_arc4_free((mbedtls_arc4_context*)ctx);
    mbedtls_free(ctx);
}

static const mbedtls_cipher_base_t arc4_base_info = {
    MBEDTLS_CIPHER_ID_ARC4,
    NULL,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    arc4_crypt_stream_wrap,
#endif
    arc4_setkey_wrap,
    arc4_setkey_wrap,
    arc4_ctx_alloc,
    arc4_ctx_free};

static const mbedtls_cipher_info_t arc4_128_info = {
    MBEDTLS_CIPHER_ARC4_128,
    MBEDTLS_MODE_STREAM,
    128,
    "ARC4-128",
    0,
    0,
    1,
    &arc4_base_info};
#endif /* MBEDTLS_ARC4_C */

#if defined(MBEDTLS_CIPHER_NULL_CIPHER)
static int null_crypt_stream(void* ctx, size_t length,
    const unsigned char* input,
    unsigned char* output)
{
    ((void)ctx);
    memmove(output, input, length);
    return 0;
}

static int null_setkey(void* ctx, const unsigned char* key,
    unsigned int key_bitlen)
{
    ((void)ctx);
    ((void)key);
    ((void)key_bitlen);

    return 0;
}

static void* null_ctx_alloc(void)
{
    return ((void*)1);
}

static void null_ctx_free(void* ctx)
{
    ((void)ctx);
}

static const mbedtls_cipher_base_t null_base_info = {
    MBEDTLS_CIPHER_ID_NULL,
    NULL,
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    NULL,
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
    null_crypt_stream,
#endif
    null_setkey,
    null_setkey,
    null_ctx_alloc,
    null_ctx_free};

static const mbedtls_cipher_info_t null_cipher_info = {
    MBEDTLS_CIPHER_NULL,
    MBEDTLS_MODE_STREAM,
    0,
    "NULL",
    0,
    0,
    1,
    &null_base_info};
#endif /* defined(MBEDTLS_CIPHER_NULL_CIPHER) */

const mbedtls_cipher_definition_t mbedtls_cipher_definitions[] = {

#if defined(MBEDTLS_AES_C)
    {MBEDTLS_CIPHER_AES_128_ECB, &aes_128_ecb_info},
    {MBEDTLS_CIPHER_AES_192_ECB, &aes_192_ecb_info},
    {MBEDTLS_CIPHER_AES_256_ECB, &aes_256_ecb_info},
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    {MBEDTLS_CIPHER_AES_128_CBC, &aes_128_cbc_info},
    {MBEDTLS_CIPHER_AES_192_CBC, &aes_192_cbc_info},
    {MBEDTLS_CIPHER_AES_256_CBC, &aes_256_cbc_info},
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    {MBEDTLS_CIPHER_AES_128_CFB128, &aes_128_cfb128_info},
    {MBEDTLS_CIPHER_AES_192_CFB128, &aes_192_cfb128_info},
    {MBEDTLS_CIPHER_AES_256_CFB128, &aes_256_cfb128_info},
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    {MBEDTLS_CIPHER_AES_128_CTR, &aes_128_ctr_info},
    {MBEDTLS_CIPHER_AES_192_CTR, &aes_192_ctr_info},
    {MBEDTLS_CIPHER_AES_256_CTR, &aes_256_ctr_info},
#endif
#if defined(MBEDTLS_GCM_C)
    {MBEDTLS_CIPHER_AES_128_GCM, &aes_128_gcm_info},
    {MBEDTLS_CIPHER_AES_192_GCM, &aes_192_gcm_info},
    {MBEDTLS_CIPHER_AES_256_GCM, &aes_256_gcm_info},
#endif
#if defined(MBEDTLS_CCM_C)
    {MBEDTLS_CIPHER_AES_128_CCM, &aes_128_ccm_info},
    {MBEDTLS_CIPHER_AES_192_CCM, &aes_192_ccm_info},
    {MBEDTLS_CIPHER_AES_256_CCM, &aes_256_ccm_info},
#endif
#endif /* MBEDTLS_AES_C */

#if defined(MBEDTLS_ARC4_C)
    {MBEDTLS_CIPHER_ARC4_128, &arc4_128_info},
#endif

#if defined(MBEDTLS_BLOWFISH_C)
    {MBEDTLS_CIPHER_BLOWFISH_ECB, &blowfish_ecb_info},
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    {MBEDTLS_CIPHER_BLOWFISH_CBC, &blowfish_cbc_info},
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    {MBEDTLS_CIPHER_BLOWFISH_CFB64, &blowfish_cfb64_info},
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    {MBEDTLS_CIPHER_BLOWFISH_CTR, &blowfish_ctr_info},
#endif
#endif /* MBEDTLS_BLOWFISH_C */

#if defined(MBEDTLS_CAMELLIA_C)
    {MBEDTLS_CIPHER_CAMELLIA_128_ECB, &camellia_128_ecb_info},
    {MBEDTLS_CIPHER_CAMELLIA_192_ECB, &camellia_192_ecb_info},
    {MBEDTLS_CIPHER_CAMELLIA_256_ECB, &camellia_256_ecb_info},
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    {MBEDTLS_CIPHER_CAMELLIA_128_CBC, &camellia_128_cbc_info},
    {MBEDTLS_CIPHER_CAMELLIA_192_CBC, &camellia_192_cbc_info},
    {MBEDTLS_CIPHER_CAMELLIA_256_CBC, &camellia_256_cbc_info},
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
    {MBEDTLS_CIPHER_CAMELLIA_128_CFB128, &camellia_128_cfb128_info},
    {MBEDTLS_CIPHER_CAMELLIA_192_CFB128, &camellia_192_cfb128_info},
    {MBEDTLS_CIPHER_CAMELLIA_256_CFB128, &camellia_256_cfb128_info},
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
    {MBEDTLS_CIPHER_CAMELLIA_128_CTR, &camellia_128_ctr_info},
    {MBEDTLS_CIPHER_CAMELLIA_192_CTR, &camellia_192_ctr_info},
    {MBEDTLS_CIPHER_CAMELLIA_256_CTR, &camellia_256_ctr_info},
#endif
#if defined(MBEDTLS_GCM_C)
    {MBEDTLS_CIPHER_CAMELLIA_128_GCM, &camellia_128_gcm_info},
    {MBEDTLS_CIPHER_CAMELLIA_192_GCM, &camellia_192_gcm_info},
    {MBEDTLS_CIPHER_CAMELLIA_256_GCM, &camellia_256_gcm_info},
#endif
#if defined(MBEDTLS_CCM_C)
    {MBEDTLS_CIPHER_CAMELLIA_128_CCM, &camellia_128_ccm_info},
    {MBEDTLS_CIPHER_CAMELLIA_192_CCM, &camellia_192_ccm_info},
    {MBEDTLS_CIPHER_CAMELLIA_256_CCM, &camellia_256_ccm_info},
#endif
#endif /* MBEDTLS_CAMELLIA_C */

#if defined(MBEDTLS_DES_C)
    {MBEDTLS_CIPHER_DES_ECB, &des_ecb_info},
    {MBEDTLS_CIPHER_DES_EDE_ECB, &des_ede_ecb_info},
    {MBEDTLS_CIPHER_DES_EDE3_ECB, &des_ede3_ecb_info},
#if defined(MBEDTLS_CIPHER_MODE_CBC)
    {MBEDTLS_CIPHER_DES_CBC, &des_cbc_info},
    {MBEDTLS_CIPHER_DES_EDE_CBC, &des_ede_cbc_info},
    {MBEDTLS_CIPHER_DES_EDE3_CBC, &des_ede3_cbc_info},
#endif
#endif /* MBEDTLS_DES_C */

#if defined(MBEDTLS_CIPHER_NULL_CIPHER)
    {MBEDTLS_CIPHER_NULL, &null_cipher_info},
#endif /* MBEDTLS_CIPHER_NULL_CIPHER */

    {MBEDTLS_CIPHER_NONE, NULL}};

#define NUM_CIPHERS 6 //(sizeof(mbedtls_cipher_definitions) / sizeof(mbedtls_cipher_definitions[0]))
int mbedtls_cipher_supported[NUM_CIPHERS];

#endif /* MBEDTLS_CIPHER_C */
